The φ720mm steel pipe expansion machine manufactured by Our factory for the Baotou large steel pipe manufacturer has completed smoothly. 

The equipment is large induction heating pipe expanding machine with hydraulic type , four oil cylinders and two step push. 

The equipment as our patent innovation product, has obtained nation independent intellectual property right. 

The machine uses the pipes as raw material , combines taper mould diameter expansion technology, high power medium frequency induction heating technology , hydraulic control system and smart digital control together, which can expand the small OD pipes to standard or non-standard sizes of large OD pipes .     

At present , our hot expanded pipes have been used in the fields of military industry, aerospace , marine etc industry equipment manufacturing, which has made a great contibution to national defense and engergy construction .   

φ720 pipe expansion machine unit